一道英语选择题,快哈
问题描述：
一道英语选择题,快哈
My uncle has been in the USA for half a year.He { } the life there.
A.is used to B.uesd to C.uses D.is uesd
我实在不懂,
答
A
be used to 是习惯于
used to 是曾经干过什么